A Novel Fully Integrated Mobile Management Solution Using Cell Phone Technology for Heart Failure

This was used from the Chronic disease self-management program scales. (http://patienteducation.stanford.edu/research). Well-validated scale rating patient's confidence in managing chronic illness. It covers several areas of chronic diseases including symptom control, role functions, emotional functioning, and communicating with physicians. The English version has 6-items, while the Spanish version has 4-items.16 Using a Likert scale with item scores ranging from 1 to 10; scale score is the mean of the items.

This was used from the Chronic disease self-management program scales. (http://patienteducation.stanford.edu/research). Measures the distress associated with health problems over the last month. Using a Likert scale with item scores ranging from 0 to 5, scale score is the mean of the four items.

This was used from the Chronic disease self-management program scales. (http://patienteducation.stanford.edu/research). Measures key behaviors to assess how well patients communicate with their healthcare providers. Using a Likert scale with item scores ranging from 0 to 5, scale score is the mean of the three items.

This was used from the Chronic disease self-management program scales. (http://patienteducation.stanford.edu/research). Assesses self-reported fatigue in the past 2 weeks. This visual numeric scale is a modified version of the visual analog scale. It uses 10 bars of different heights and shading intensity.

This was used from the Chronic disease self-management program scales. (http://patienteducation.stanford.edu/research). Assesses self-reported shortness of breath in the past 2 weeks.

30-item scale developed for self-efficacy with heart failure overall and with medications, diet, symptoms, activity, and heart failure readmission. Using a Likert scale with item scores ranging from 0 to 10, scale score is the mean of the items.

12-item questionnaire assesses self-care behavior of patients with heart failure. Using a Likert scale with item scores ranging from 1 to 5, scale score is the sum of responses.

15-item questionnaire assesses heart failure knowledge in general, knowledge on heart failure treatment (including diet and fluid restriction) and heart failure symptoms and symptom recognition. Each correct answer gets one point and total score ranges from 0 to 15.

21-item questionnaire assesses HF specific quality of life, using a 6-point Likert scale with item scores ranging from 0 to 5, scale score is the sum of responses.

36-item quality of life instrument used to evaluate perception of general health status, functional ability, and well-being.

31-item scale developed for this study to assess the participants' satisfaction with 7 aspects of the intervention using a 7-point Likert scale with item scores ranging from 1 to 7 (7 being best), and total score is the mean of responses. Patients were also asked open-ended questions in order to obtain an in-depth understanding of individual experiences, perceptions, concerns and feedback.